Robot welding cell



FIG. 1 is a front isometric view of a robot welding cell in accordance with the new design;

FIG. 2 is a rear isometric view thereof;

FIG. 3 is a left-side elevational view thereof;

FIG. 4 is a right-side elevational view thereof;

FIG. 5 is a front elevational view thereof; and,

FIG. 6 is a top plan view thereof.

The broken lines showing portions of the robot welding cell form no part of the claimed design. 

CLAIM The ornamental design for a robot welding cell, as shown and described. 